int main() {
    long int l = 1;
    long l2 = 2;
    long long l3 = 3;
    short int s = 4;
    short s2 = 5;
    int i = 6;
    char c = 7;

    return (l + l2 + l3 + s + s2 + i + c) == 28;
}